On Tue, Sep 10, 2019 at 08:57:37AM +0200, Andreas Schwab wrote: > On Sep 10 2019, Christoph Hellwig <hch@xxxxxx> wrote: > > > The sifive serial driver implements earlycon support, > > It should probably be documented in admin-guide/kernel-parameters.txt. How so? Wіth OF and a stdout path you just set earlycon on the command line without any arguments and it will be found.